9. Distribute the expression -3(-8b-9)

Rename mixed numbers before you can subtract are what

Which representation has a constant of variation of -2.5

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.